1

现在

xiànzài

now; at present; currently

2

有空

yǒukòng

to have time (to do sth)

=3

吗

má

(coll.) what?

=3

吗

mǎ

used in 吗啡 mǎfēi

=3

吗

ma

(question particle for "yes-no" questions)